Card Type: Land — Urza’s Tower
Card Text: Tap to add 1 colorless mana to your mana pool. If you have Urza's Mine, Urza's Tower, and Urza's Power Plant in play at the same time, tap to add 3 colorless mana to your mana pool.
Flavor Text: Urza always put Tocasia's lessons on resource-gathering to effective use.
Artist: Mark Poole